dnsmasq: Import latest patches from upstream

[ipfire-2.x.git] / src / patches / dnsmasq / 0052-Fix-uninitialized-value-used-in-get_client_mac.patch

From 0705a7e2d57654b27c7e14f35ca77241c1821f4d Mon Sep 17 00:00:00 2001
From: Tomas Hozza <thozza@redhat.com>
Date: Mon, 23 Feb 2015 21:26:26 +0000
Subject: [PATCH 52/71] Fix uninitialized value used in get_client_mac()

---
 src/dhcp6.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/dhcp6.c b/src/dhcp6.c
index 3c56e77c6085..c7144f5fee7c 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -246,7 +246,9 @@ void get_client_mac(struct in6_addr *client, int iface, unsigned char *mac, unsi
   neigh.code = 0;
   neigh.reserved = 0;
   neigh.target = *client;
-  
+  /* RFC4443 section-2.3: checksum has to be zero to be calculated */
+  neigh.checksum = 0;
+   
   memset(&addr, 0, sizeof(addr));
 #ifdef HAVE_SOCKADDR_SA_LEN
   addr.sin6_len = sizeof(struct sockaddr_in6);
-- 
2.1.0